package tool;

import java.io.UnsupportedEncodingException;

import org.apache.commons.codec.binary.Base64;

import sun.misc.BASE64Decoder;

public class Base64Tool {

	// 将 s 进行 BASE64 编码
	public static String encode(String s) {
		if (s == null)
			return null;
		return (new sun.misc.BASE64Encoder()).encode(s.getBytes());
	}

	// 将 BASE64 编码的字符串 s 进行解码
	public static String decode(String s) {
		if (s == null)
			return null;
		BASE64Decoder decoder = new BASE64Decoder();
		try {
			byte[] b = decoder.decodeBuffer(s);
			return new String(b);
		} catch (Exception e) {
			return null;
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String str = "Hello World://www.&&&''d.df.dfdfkj";
		String s1=Base64Tool.encode(str);
		String s2=Base64Tool.decode(s1);
		System.out.println(s1+"\n"+s2);

	}

}
